<!DOCTYPE html>
<html>
<head>
    <script src="test2.browser.js"></script>
    <style type="text/css">
    *{
        box-sizing: border-box;
    }
    section{
        height: 600px;
        overflow: scroll;
    }
    div{
        border: solid 1px red;
        height: 60px;
        width: 600px;
    }
    </style>
</head>
<body>
    <section>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </section>
</body>
</html>